fly-by-night

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fly-by-night

Fig. irresponsible; untrustworthy. (Alludes to a person who sneaks away secretly in the night.) The carpenter we hired was a fly-by-night worker who did a very bad job. You shouldn't deal with a fly-by-night merchant.

fly-by-night

a fly-by-night person or organization cannot be trusted because they have not been established long, and could leave or close at any time (always before noun) They've opened one of those cheap and nasty fly-by-night stores on the High Street. I'm serious about representing my constituents. I'm not a fly-by-night politician.

fly-by-night

mod. undependable; dishonest. Sam seems like such a fly-by-night character.